diff --git a/composer.json b/composer.json
index 6d31be01107470de74c34edb4720d0f42706cb73..1ea147fad7eea834d81ff2c1802171ceb0d0a37e 100644
--- a/composer.json
+++ b/composer.json
@@ -14,13 +14,13 @@
     "ext-json": "*",
     "beberlei/assert": "^3.2",
     "friendsofphp/php-cs-fixer": "^2.13",
-    "symfony/cache": "^4.0",
-    "symfony/cache-contracts": "^1.0"
+    "symfony/cache": "^4.3",
+    "symfony/cache-contracts": "^1.1"
   },
   "require-dev": {
     "irstea/composer-require-checker-shim": "^2.0.0",
     "mikey179/vfsstream": "^1.6",
-    "phpunit/phpunit": "^7.0"
+    "phpunit/phpunit": "^7.5"
   },
   "autoload": {
     "psr-4": {